radio-

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radio- or radi-

pref.

1. Radiation; radiant energy: radiometer.

2. Radioactive: radiochemistry.

3. Radius: radiobicipital.

radio-

[rā′dē·ō-]

prefix meaning "radiation," sometimes referring specifically to emission of radiant energy, to radium, or to the radius: radioactive, radiobiology, radiohumeral.

radio-

word element. [L.] ray, radiation, emission of radiant energy, radium, radius (bone of the forearm); affixed to the name of a chemical element to designate a radioactive isotope of that element.

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C wave DMRD DMRT Doppler effect Dr. Drew Dr. Laura electromagnetic electromagnetic radiation electromagnetic spectrum infrared radiation magnetic resonance magnetic resonance imaging Media Epidemic microwave P wave pulse wave Q wave R wave radi-			radicotomy radicula radiculalgia radicular radicular artery radicular cyst radicular odontoma radicular retainer radicular retention radiculectomy radiculitis radiculo- radiculoganglionitis radiculomedullary radiculomeningomyelitis radiculomyelopathy radiculoneuritis radiculoneuropathy radiculopathy radiectomy radii radii lentis radio radio frequency Radio waves radio- radio-frequency ablation radio-frequency catheter ablation radio-frequency current radio-frequency energy ablation radio-frequency thermal rhizotomy radio-immunoguided surgery radio-insensitive radio-labeled radio-pulse transmitters radioactivation analysis radioactive radioactive carbon radioactive constant radioactive contamination radioactive contrast medium radioactive decay radioactive drug radioactive element radioactive half-life radioactive implant Radioactive Implants radioactive iodine radioactive iodine excretion radioactive iodine excretion test radioactive iodine uptake			Radio wave (disambiguation) Radio wave (disambiguation) Radio wave (disambiguation) radio wavefront distortion Radio waves Radio waves Radio waves Radio Waves, Inc. Radio Waves, Radiation and Reception of radio webcasting Radio window Radio window Radio Wire Integration Radio Wire Interface Radio Wireless Week Radio Wireline Interface Radio Wireline Interface/Air Force Radio Wireline Interface/Navy Radio World Engineering Extra Radio Y Televisión de Andalucía Radio's All-Dimension Audience Research Radio, Art of Radio, Electrical and Television Retailers Association Radio, Film and Television Radio, Microwave, Infrared, Visible, Ultraviolet, X-Rays, Gamma Radio, Millimeter and Submillimeter Planning Group Radio, Telephone, & Teletype Radio, Television, and Film Radio, Television, and Motion Pictures radio- Radio-Amateur Telecommunications Society radio-beacon buoy radio-beacon monitor station Radio-carbon dating Radio-carbon dating Radio-carpal joint Radio-carpal joint Radio-carpal joint Radio-Cephalic Fistula Radio-Chemo-Thermo-Therapy Radio-Club National Radio-Commande Club Normandie-Picardie Radio-control Radio-control Radio-Control Military Vehicle radio-controlled Radio-Controlled Aerial Target radio-controlled aircraft Radio-controlled airplane Radio-Controlled Clock Radio-Controlled Flight Simulator Radio-Controlled Race Car Radio-echo sounding Radio-Electronic Combat Support Radio-Electronic Protection Radio-Engineering Faculty Radio-flagellata Radio-France Internationale

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radio-